Relationships among nocturnal jaw muscle activities, decreased esophageal pH, and sleep positions

Shouichi Miyawaki, Yuko Tanimoto, Yoshiko Araki, Akira Katayama, Mikako Imai, Teruko Takano-Yamamoto

研究成果: Article査読

33 被引用数 (Scopus)

抄録

The purpose of this study was to examine the relationships among nocturnal jaw muscle activities, decreased esophageal pH, and sleep positions. Twelve adult volunteers, including 4 bruxism patients, participated in this study. Portable pH monitoring, electromyography of the temporal muscle, and audio-video recordings were conducted during the night in the subjects' homes. Rhythmic masticatory muscle activity (RMMA) episodes were observed most frequently, with single short-burst episodes the second most frequent. The frequencies of RMMA, single short-burst, and clenching episodes were significantly higher during decreased esophageal pH episodes than those during other times. Both the electromyography and the decreased esophageal pH episodes were most frequently observed in the supine position. These results suggest that most jaw muscle activities, ie, RMMA, single short-burst, and clenching episodes, occur in relation to gastroesophageal reflux mainly in the supine position.

本文言語English
ページ(範囲)615-619
ページ数5
ジャーナルAmerican Journal of Orthodontics and Dentofacial Orthopedics
126
5
DOI
出版ステータスPublished - 2004 11月
外部発表はい

ASJC Scopus subject areas

  • 歯科矯正学

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